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import os, time, hashlib, hmac, requests
API_URL = os.environ["CHAPTLY_API_URL"]
API_SECRET = os.environ["CHAPTLY_API_SECRET"]
API_KEY = os.environ["API_KEYS"] # optional, only if using ApiKeyMiddleware
def signed_request(method: str, path: str, json_payload: dict | None = None):
body_bytes = (json.dumps(json_payload or {}) ).encode("utf-8")
body_hash = hashlib.sha256(body_bytes).hexdigest()
timestamp = str(int(time.time()))
canonical = "\n".join([method.upper(), path, body_hash, timestamp])
signature = hmac.new(API_SECRET.encode(), canonical.encode(), hashlib.sha256).hexdigest()
headers = {
"X-Timestamp": timestamp,
"X-Signature": signature,
}
if API_KEY:
headers["X-API-Key"] = API_KEY
url = f"{API_URL}{path}"
resp = requests.request(method, url, json=json_payload, headers=headers)
resp.raise_for_status()
return resp.json() |